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[src/trunk]: src/usr.bin/make make(1): extract MayExport from Var_Export1



details:   https://anonhg.NetBSD.org/src/rev/e6ca9622c907
branches:  trunk
changeset: 941774:e6ca9622c907
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Oct 30 15:28:38 2020 +0000

description:
make(1): extract MayExport from Var_Export1

diffstat:

 usr.bin/make/var.c |  37 ++++++++++++++++++++++---------------
 1 files changed, 22 insertions(+), 15 deletions(-)

diffs (67 lines):

diff -r a59c50503382 -r e6ca9622c907 usr.bin/make/var.c
--- a/usr.bin/make/var.c        Fri Oct 30 15:09:13 2020 +0000
+++ b/usr.bin/make/var.c        Fri Oct 30 15:28:38 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.597 2020/10/30 07:47:11 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.598 2020/10/30 15:28:38 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -129,7 +129,7 @@
 #include    "metachar.h"
 
 /*     "@(#)var.c      8.3 (Berkeley) 3/19/94" */
-MAKE_RCSID("$NetBSD: var.c,v 1.597 2020/10/30 07:47:11 rillig Exp $");
+MAKE_RCSID("$NetBSD: var.c,v 1.598 2020/10/30 15:28:38 rillig Exp $");
 
 #define VAR_DEBUG1(fmt, arg1) DEBUG1(VAR, fmt, arg1)
 #define VAR_DEBUG2(fmt, arg1, arg2) DEBUG2(VAR, fmt, arg1, arg2)
@@ -480,21 +480,9 @@
     }
 }
 
-
-/*
- * Export a single variable.
- * We ignore make internal variables (those which start with '.').
- * Also we jump through some hoops to avoid calling setenv
- * more than necessary since it can leak.
- * We only manipulate flags of vars if 'parent' is set.
- */
 static Boolean
-Var_Export1(const char *name, VarExportFlags flags)
+MayExport(const char *name)
 {
-    VarExportFlags parent = flags & VAR_EXPORT_PARENT;
-    Var *v;
-    char *val;
-
     if (name[0] == '.')
        return FALSE;           /* skip internals */
     if (name[0] == '-')
@@ -514,6 +502,25 @@
            return FALSE;
        }
     }
+    return TRUE;
+}
+
+/*
+ * Export a single variable.
+ * We ignore make internal variables (those which start with '.').
+ * Also we jump through some hoops to avoid calling setenv
+ * more than necessary since it can leak.
+ * We only manipulate flags of vars if 'parent' is set.
+ */
+static Boolean
+Var_Export1(const char *name, VarExportFlags flags)
+{
+    VarExportFlags parent = flags & VAR_EXPORT_PARENT;
+    Var *v;
+    char *val;
+
+    if (!MayExport(name))
+       return FALSE;
 
     v = VarFind(name, VAR_GLOBAL, 0);
     if (v == NULL)



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